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101616 (1999 CL9)
Classification: Main-belt Asteroid          SPK-ID: 2101616
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .155523934199021 5.8137e-08  
a 2.659303330798647 1.5006e-08 au
q 2.245718014564281 1.5609e-07 au
i 11.65940096262431 5.5242e-06 deg
node 10.63692949513353 2.0824e-05 deg
peri 171.2868407889357 2.4925e-05 deg
M 344.4395787336481 1.6253e-05 deg
tp 2459268.965075724134
(2021-Feb-23.46507572)
7.1788e-05 TDB
period 1583.982004008217
4.34
1.3407e-05
3.671e-08
d
yr
n .2272753093715909 1.9237e-09 deg/d
Q 3.072888647033013 1.734e-08 au
  Orbit Determination Parameters
   # obs. used (total)      786  
   data-arc span      8013 days (21.94 yr)  
   first obs. used      1999-02-10  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53182  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:29:13  

Additional Information
 Earth MOID = 1.24816 au 
 Jupiter MOID = 1.88364 au 
 T_jup = 3.340 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.82   n/a E2021B55  

101616 (1999 CL9)          Discovered 1999-Feb-12 by Urata, T. at Oohira
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1927-Nov-07 18:21 00:02 Jupiter 1.88368421420815 1.88368375159023 1.88368467687832 3.56211898113296 3.43356465652026 2425192.264449810 1.97832121887338 975.515547833839 14.9673424126775 -89.159032671726 2449268.86610616 T 19 CATAB v2.0f-lin.ifort 2021-Feb-24 08:29:15 2021-Feb-24 08:29
1975-Oct-27 05:48 < 00:01 Jupiter 1.92864455135933 1.92864394774903 1.92864515498191 3.55180557973362 3.42592505166417 2442712.741364086 0.90875354676015 380.116136874057 17.164342152892 -86.6145041094868 2461497.77546063 T 19 CATAB v2.0f-lin.ifort 2021-Feb-24 08:29:15 2021-Feb-24 08:29
2057-Nov-23 17:21 00:01 Jupiter 1.93511400186818 1.93511341915439 1.93511458458208 3.55704982794415 3.43178956029464 2472691.222918531 1.00592228838214 337.244468386341 26.700040556648 88.9167611645528 2627204.4451803 T 19 CATAB v2.0f-lin.ifort 2021-Feb-24 08:29:15 2021-Feb-24 08:29
2105-Nov-12 03:12 00:02 Jupiter 1.8854633148991 1.8854628481262 1.88546378172377 3.56368780708739 3.43531570512021 2490210.633433979 2.07460129449787 935.111335515822 15.3246881883457 -89.1320914316255 2420407.05979933 T 19 CATAB v2.0f-lin.ifort 2021-Feb-24 08:29:15 2021-Feb-24 08:29
2153-Nov-01 02:06 00:03 Jupiter 1.93622359031071 1.93622235173819 1.93622482890712 3.48629931672526 3.35847595066382 2507731.587621861 3.23793066986604 438.292773091778 34.0290189940124 -83.031391540422 2357957.05577977 T 19 CATAB v2.0f-lin.ifort 2021-Feb-24 08:29:15 2021-Feb-24 08:29

Alternate Designations
 1999 CL9 = 2001 RX87 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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